CN101532406A - Twin cam phaser for dual independent cam phasing - Google Patents

Twin cam phaser for dual independent cam phasing Download PDF

Info

Publication number
CN101532406A
CN101532406A CN200910126531A CN200910126531A CN101532406A CN 101532406 A CN101532406 A CN 101532406A CN 200910126531 A CN200910126531 A CN 200910126531A CN 200910126531 A CN200910126531 A CN 200910126531A CN 101532406 A CN101532406 A CN 101532406A
Authority
CN
China
Prior art keywords
dish
assembly
cam phaser
fastening piece
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN200910126531A
Other languages
Chinese (zh)
Other versions
CN101532406B (en
Inventor
F·J·罗扎里奥
J·E·罗宾斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GM Global Technology Operations LLC
Original Assignee
GM Global Technology Operations LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GM Global Technology Operations LLC filed Critical GM Global Technology Operations LLC
Publication of CN101532406A publication Critical patent/CN101532406A/en
Application granted granted Critical
Publication of CN101532406B publication Critical patent/CN101532406B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02Valve drive
    • F01L1/04Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047Camshafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02Valve drive
    • F01L1/04Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047Camshafts
    • F01L2001/0471Assembled camshafts
    • F01L2001/0473Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/34423Details relating to the hydraulic feeding circuit
    • F01L2001/34426Oil control valves
    • F01L2001/34433Location oil control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L2001/34486Location and number of the means for changing the angular relationship
    • F01L2001/34493Dual independent phasing system [DIPS]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

The invention relates to twin cam phaser for dual independent cam phasing. An engine assembly may include a cam phaser assembly coupled to a concentric camshaft. The cam phaser assembly may include first and second plate assemblies that have first and second vanes, an oil chamber housing located axially between the first and second plate assemblies, an oil distribution member, and a first fastener. The first and second plates may define first and second fastener passages. The oil chamber housing may define first and second chambers and a first central bore. The first vane may extend into the first chamber and the second vane may extend into the second chamber. The oil distribution member may be located within the central bore of the oil chamber housing and may define a third fastener passage. The first fastener may extend through the first, second, and third fastener passages and couple the cam phaser assembly to an outer shaft of the concentric camshaft.

Description

Be used for twin cam phaser for dual independent cam phasing
Technical field
The present invention relates to cam phaser, relate more specifically to the dual independent cam phase discriminator.
Background technique
The statement of this part only provides background information related to the present invention, might not constitute prior art.
Engine pack can comprise cam phaser, and it connects with engine cam to adjust intake valve and/or exhaust valve opens timing.Regulate valve timing based on engine operation state and can improve engine performance, for example improve power output, reduce fuel consumption with and/or reduce engine emission.The scope that the increase camshaft can shift to an earlier date or postpone can improve performance gain.
Summary of the invention
The cam phaser assembly that a kind of engine pack, this engine pack can comprise engine structure, be supported on the concentric camshaft on this engine structure and be attached to this concentric camshaft in rotating mode.This concentric camshaft can comprise outer shaft, interior axle and the first and second salient angle parts.The described first salient angle part can be fixed into described outer shaft and rotate.Described second is arranged in described first rotationally, and the described second salient angle part can be fixed into described second rotation.The cam phaser assembly can be attached to described concentric camshaft and can comprise the first dish assembly, the second dish assembly, axially the oil pocket housing between first dish and second dish, join the oily part and first fastening piece.The described first dish assembly can comprise first blade that extends axially and be fixed to this first dish from first dish.The described second dish assembly can comprise second blade that extends axially and be fixed to this second dish from second dish.Described first dish and described second dish can limit first and second fastener passage.Described oil pocket housing can be axially between described first dish and described second dish, and can limit first chamber, second chamber and first center hole.Described first blade may extend in described first chamber, and described second blade may extend in described second chamber.Describedly join first center hole that oily part can be arranged in described oil pocket housing, and can limit first oil circuit that is communicated with described first chamber, second oil circuit and the 3rd fastener passage that are communicated with described second chamber.Described first fastening piece is extensible to pass described first fastener passage, second fastener passage and described the 3rd fastener passage, thereby described cam phaser assembly is attached to the outer shaft of concentric camshaft.
Will know other applications from description provided herein.Should understand these descriptions and specific embodiment and only be used for purpose of illustration, and be not intended to limit the scope of the invention.
Description of drawings
Accompanying drawing shown in this article only is used for purpose of illustration, and is not intended to limit the scope of the invention by any way.
Fig. 1 is the schematic representation according to engine pack of the present invention;
Fig. 2 is another schematic representation of the engine pack of Fig. 1;
Fig. 3 is the camshaft of engine pack of Fig. 1 and the exploded perspective view of cam phaser assembly;
Fig. 4 is the exploded view of the cam assembly of Fig. 3;
Fig. 5 is the exploded view of the cam phaser assembly of Fig. 3; And
Fig. 6 is the cam assembly of Fig. 3 and the partial sectional view of cam phaser assembly.
Embodiment
Below describing is example only in essence, and is not intended to limit the present invention, its application or use.Should understand in whole accompanying drawings, corresponding reference character is represented identical or corresponding parts and feature.
Referring now to Fig. 1 and Fig. 2, schematically shown exemplary engine assembly 10.Engine pack 10 can comprise motor 12, and motor 12 can comprise a plurality of cylinders 14 and the bent axle 17 that wherein is furnished with piston 16.Bent axle 17 supports with the engine structure of launched machine cylinder body of rotating mode and so on, and is driven by piston 16 in rotating mode.Motor 12 also can comprise intake valve 18, exhaust valve 20, is used for intake valve lifting gear 22 and exhaust valve lifting gear 24 and camshaft 26, the cam phaser assembly 28 of each cylinder 14 and makes bent axle 17 be attached to the driving belt 29 (for example chain-driven part) of cam phaser assembly 28 rotationally.
Intake valve lifting gear 22 all can comprise push rod 30 and rocking arm 32.Exhaust valve lifting gear 24 also all can comprise push rod 30 and rocking arm 32.Camshaft 26 can be supported by the engine structure of engine cylinder-body and so on.Thereby push rod 30 can engage with actuator rocker arm 32 with camshaft 26 and open intake valve 18 and exhaust valve 20.Though engine pack 10 is depicted as the push rod engine assembly, it should be understood that the present invention also can be applicable to various other engine constructions, for example the overhead cam engine that supports by cylinder head of camshaft 26 wherein.
With reference to Fig. 3 and Fig. 4, camshaft 26 can form the concentric camshaft assembly, and can comprise 38,39,40,41,42,43,44,45, second groups of salient angle parts 46,47,48,49,50,51,52,53 of first 34, second 36, first groups of salient angle part and bearing journal 54,55,56,57,58.Can be arranged in rotationally in first 34 for second 36.First group of salient angle part 38,39,40,41,42,43,44,45 and bearing journal 54,55,56,57,58 can be fixed into first 34 and rotate.Second group of salient angle part 46,47,48,49,50,51,52,53 can be fixed into second 36 and rotate.In current embodiment, first group of salient angle part 38,39,40,41,42,43,44,45 can form air inlet salient angle group, and second group of salient angle part 46,47,48,49,50,51,52,53 can form exhaust salient angle group.Yet should understand to provide alternative arrangement, and wherein first group of salient angle part 38,39,40,41,42,43,44,45 can form exhaust salient angle group, and second group of salient angle part 46,47,48,49,50,51,52,53 can form air inlet salient angle group.
With reference to Fig. 3, Fig. 5 and Fig. 6, cam phaser assembly 28 can comprise the first dish assembly 60, second dish assembly 62, the oil pocket housing 64, join oily part 66, feed member 68, first fastening piece 70 and second fastening piece 72.The first dish assembly 60 can comprise first dish 74 and extend axially and be fixed to the first first group of blade 76 that coils on 74 from first dish 74.Though the first dish assembly 60 comprises three blades 76 in current embodiment, it should be understood that and can use more or less blade.First dish 74 can comprise center hole 78 and one group of first fastener passage 80 that is provided with from these center hole 78 radially outwards.First fastener passage 80 all can be roughly arc to allow first dish 74 to rotate with respect to first fastening piece 70, as described later.
The second dish assembly 62 can comprise second dish 82 and extend axially and be fixed to second group of blade 84 of this second dish 82 from second dish 82.Though the second dish assembly 62 comprises three blades 84 in current embodiment, it should be understood that and can use more or less blade.Second dish 82 can comprise center hole 86 and one group of second fastener passage 88.Oil pocket housing 64 can be axially between first dish, 74 and second dish 82.
Oil pocket housing 64 can comprise main body 90 that limits center hole 92 and first group of chamber 94 and the second group of chamber 96 that is provided with from center hole 92 radially outwards.First group of blade 76 may extend in first group of chamber 94, and second group of blade 84 may extend on second group of chamber 96.Main body 90 can comprise the stream (not shown) that extends to first group of chamber 94 and second group of chamber 96 from center hole 92.
Join oily part 66 and can be positioned at the center hole 92 of oil pocket housing 64, and can be contained between first dish, 74 and second dish 82.Joining oily part 66 can comprise center hole 98, first annular groove 100, second annular groove 102, extend to first of first annular groove 100 from center hole 98 and radially extend oil circuit 104, extend to second of second annular groove 102 from center hole 98 and radially extend oil circuit 106 and the 3rd fastener passage 107.
Feed member 68 can be fixed rotationally with respect to the engine structure such as engine cylinder-body and/or motor protecgulum.The feed member 68 extensible center holes 86 of second dish 82 that pass are to the center hole 98 of joining oily part 66.Feed member 68 can comprise first portion 108 and second portion 110.First portion 108 can be positioned at outside the oil pocket housing 64 and can comprise the passage 112,114,116,118 that is communicated with oil sources.For example, passage 112,114,116,118 can be communicated with phase discriminator oil control valve (not shown).Second portion 110 can comprise annular groove 120,122,124.Annular groove 120 can be communicated with passage 112, and annular groove 122 can be communicated with passage 114, and annular groove 124 can be communicated with passage 116.
When assembling, annular groove 120 can be communicated with the oil circuit 126 of second dish in 82, and oil circuit 126 is communicated with second group of chamber 96 in the oil pocket housing 64.Annular groove 122 can radially extend oil circuit 104 and is communicated with first, and annular groove 124 can radially extend oil circuit 106 and is communicated with second.Passage 118 in the feed member 68 can be communicated with the chamber 128 that forms between the part of the end of feed member 68 and first dish 74.Chamber 128 can be communicated with the oil circuit 130 of first dish in 74, and oil circuit 130 is communicated with first group of chamber 94 in the oil pocket housing 64.
First fastening piece 70 can comprise that bolt also can pass first, second and extend in the hole 131 of bearing journal 54 with the 3rd fastener passage 80,88,107, thereby cam phaser assembly 28 is attached to bearing journal 54 rotationally, and therefore is attached to camshaft 26.First fastening piece 70 can with hole 131 threaded joint.Second fastening piece 72 can comprise that bolt also can pass first dish 74 and extend in second 36, to fix second 36 it is rotated with the first dish assembly 60.Center hole 86 in the feed member 68 can be provided to the path of second fastening piece 72.
The first dish assembly 60, second coils assembly 62, oil pocket housing 64 and joins oily part 66 and can rotate on feed member 68.Oil pocket housing 64 can comprise hub 132, and it has the tooth 134 that driving belt a series of with shown in Figure 2 29 engages, so oil pocket housing 64 can be driven by bent axle 17.The rotation of oil pocket housing 64 can be passed to the first dish assembly 60 and the second dish assembly 62 by pressure fluid in first group of chamber 94 and the second group of chamber 96, that act on first group of blade 76 and the second group of blade 84.
Joint between first fastening piece 70 and second dish 82 can cause first 34 and rotate with the second dish assembly 62.First fastening piece 70 also can be given bearing journal 54 with the weight transmitting of cam phaser assembly 28, and bearing journal 54 is supported on cam phaser assembly 28 on the engine structure rotationally.Joint between second fastening piece 72, first coils 74 and second 36 can cause second 36 and rotate with the first dish assembly 60.The first dish assembly 60 and the second dish assembly 62 can relative to each other rotate, and can rotate with respect to oil pocket housing 64.The bowed shape of first fastener passage 80 can allow first fastening piece 70 to rotate in first fastener passage 80 and therefore allow it to rotate with respect to the first dish assembly 60.

Claims (20)

1. cam phaser assembly, this cam phaser assembly comprises:
The first dish assembly, this first dish assembly comprises first blade that extends axially and be fixed to this first dish from first dish, this first dish limits first fastener passage;
The second dish assembly, this second dish assembly comprises second blade that extends axially and be fixed to this second dish from second dish, this second dish limits second fastener passage;
Axial oil pocket housing between described first dish and described second dish, this oil pocket housing limits first chamber, second chamber and first center hole, and described first blade extends in described first chamber, and described second blade extends in described second chamber;
Be arranged in described oil pocket housing first center hole join oily part, this is joined oily part and limits first oil circuit that is communicated with described first chamber, second oil circuit and the 3rd fastener passage that is communicated with described second chamber; And
First fastening piece, this first fastening piece extends through described first fastener passage, second fastener passage and the 3rd fastener passage, and this first fastening piece is attached to described cam phaser assembly the outer shaft of concentric camshaft.
2. cam phaser assembly according to claim 1, wherein said first fastener passage comprises bowed shape, so that the rotation of the described first dish assembly with respect to described first fastening piece to be provided.
3. cam phaser assembly according to claim 2, the wherein said second dish assembly is fixed into described first fastening piece and rotates.
4. cam phaser assembly according to claim 3 is wherein saidly joined oily part and is fixed into described first fastening piece and rotates.
5. cam phaser assembly according to claim 4, wherein said oil pocket housing can be joined oily part and rotates with respect to described.
6. cam phaser assembly according to claim 3 also comprises second fastening piece, and this second fastening piece extends through described first dish the described first dish assembly is fixed to the interior axle of described concentric camshaft.
7. cam phaser assembly according to claim 6 is wherein saidly joined second center hole that oily part comprises the path that is provided to described second fastening piece.
8. cam phaser assembly according to claim 1 also comprises feed member, describedly joins oily part and comprises second center hole, and described feed member is arranged in described second center hole with to described first oil circuit and the second oil circuit fuel feeding of joining oily part.
9. cam phaser assembly according to claim 8, the wherein said first dish assembly, described second dish assembly, the described oil pocket housing and describedly join oily part and can rotate with respect to described feed member.
10. cam phaser assembly according to claim 1, wherein said oil pocket housing comprises drive hub, this drive hub is suitable for being driven rotationally by band.
11. an engine pack, this engine pack comprises:
Engine structure;
Be supported on the concentric camshaft on the described engine structure rotationally, this concentric camshaft comprises outer shaft, interior axle and the first and second salient angle parts, the described first salient angle part is fixed into described outer shaft and rotates, axle is arranged in the described outer shaft rotationally in described, and the described second salient angle part is fixed into axle in described and rotates; And
Be attached to the cam phaser assembly of described concentric camshaft, this cam phaser assembly comprises:
The first dish assembly, this first dish assembly comprises first blade that extends axially and be fixed to this first dish from first dish, this first dish limits first fastener passage;
The second dish assembly, this second dish assembly comprises second blade that extends axially and be fixed to this second dish from second dish, this second dish limits second fastener passage;
Axial oil pocket housing between described first dish and described second dish, this oil pocket housing limits first chamber, second chamber and first center hole, and described first blade extends in described first chamber, and described second blade extends in described second chamber;
Be arranged in described oil pocket housing first center hole join oily part, this is joined oily part and limits first oil circuit that is communicated with described first chamber, second oil circuit and the 3rd fastener passage that is communicated with described second chamber; And
First fastening piece, this first fastening piece extends through described first fastener passage, second fastener passage and the 3rd fastener passage, and this first fastening piece is attached to described cam phaser assembly the outer shaft of described concentric camshaft.
12. engine pack according to claim 11, wherein said concentric camshaft comprises bearing journal, this bearing journal is fixed near the end of described outer shaft described cam phaser assembly rotationally, and described first fastening piece engages with this bearing journal and with the described first and second dish assemblies and describedly join oily part and be attached to this bearing journal rotationally.
13. engine pack according to claim 12, wherein said bearing journal is supported on described cam phaser assembly on the described engine structure.
14. engine pack according to claim 11, wherein said first fastener passage comprises bowed shape, so that the rotation of the described first dish assembly with respect to described first fastening piece to be provided.
15. engine pack according to claim 14, the wherein said second dish assembly is fixed into described first fastening piece and rotates.
16. engine pack according to claim 15 is wherein saidly joined oily part and is fixed into described first fastening piece and rotates.
17. engine pack according to claim 16, wherein said oil pocket housing can be joined oily part and rotates with respect to described.
18. engine pack according to claim 15 also comprises second fastening piece, this second fastening piece extend through described first dish and with described concentric camshaft in be coupling and close, be fixed into axle in will be described and coil assembly with described first and rotate.
19. engine pack according to claim 11, also comprise the feed member that is rotatably fixed to described engine structure, describedly join oily part and comprise second center hole, described feed member is arranged in described second center hole with to described first oil circuit and the second oil circuit fuel feeding of joining oily part.
20. engine pack according to claim 11 also comprises the bent axle that is supported rotationally by described engine structure, described oil pocket housing comprises the drive hub that is driven rotationally by this bent axle.
CN2009101265314A 2008-03-10 2009-03-10 Twin cam phaser for dual independent cam phasing Active CN101532406B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/045,241 US7789054B2 (en) 2008-03-10 2008-03-10 Twin cam phaser for dual independent cam phasing
US12/045241 2008-03-10

Publications (2)

Publication Number Publication Date
CN101532406A true CN101532406A (en) 2009-09-16
CN101532406B CN101532406B (en) 2011-12-28

Family

ID=41052313

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009101265314A Active CN101532406B (en) 2008-03-10 2009-03-10 Twin cam phaser for dual independent cam phasing

Country Status (3)

Country Link
US (1) US7789054B2 (en)
CN (1) CN101532406B (en)
DE (1) DE102009011627B4 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102536368A (en) * 2010-12-08 2012-07-04 通用汽车环球科技运作有限责任公司 Engine assembly including camshaft with independent cam phasing

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008033230B4 (en) * 2008-01-04 2010-05-27 Hydraulik-Ring Gmbh Double camshaft adjuster in layer construction
GB2472054B (en) * 2009-07-23 2013-02-27 Mechadyne Plc Phaser assembly for an internal combustion engine
US8371257B2 (en) * 2010-03-10 2013-02-12 GM Global Technology Operations LLC Engine with dual cam phaser for concentric camshaft
DE102010033296A1 (en) 2010-08-04 2012-02-09 Hydraulik-Ring Gmbh Camshaft adjuster, especially with camshaft
CN103348100B (en) 2011-02-09 2016-06-08 博格华纳公司 The concentricity quarter-phase device being assembled in concentric camshaft system
DE102011006691A1 (en) * 2011-04-04 2012-10-04 Schaeffler Technologies Gmbh & Co. Kg Phaser
CN103732869B (en) * 2011-08-30 2017-03-29 博格华纳公司 For the oily passage design of single-phase device or quarter-phase device
US9228455B1 (en) 2013-03-14 2016-01-05 Brunswick Corporation Outboard motors and marine engines having cam phaser arrangements
DE102014210313A1 (en) 2013-06-27 2014-12-31 Schaeffler Technologies Gmbh & Co. Kg Dual independent phasing system with separate oil supplies
CN103806970B (en) * 2014-03-03 2016-05-18 浙江师范大学 A kind of band is joined the camshaft of oil timing
DE102014213445A1 (en) * 2014-07-10 2016-01-14 Deere & Company Inclined conveyor assembly for a combine harvester
DE102016214501B4 (en) 2015-10-28 2021-07-29 Schaeffler Technologies AG & Co. KG Camshaft adjusting device
JP6292276B1 (en) * 2016-10-19 2018-03-14 マツダ株式会社 Variable valve gear for engine
US10697333B2 (en) 2017-12-01 2020-06-30 Schaeffler Technologies AG & Co. KG Hydraulically actuated camshaft phasers for concentrically arranged camshafts
US10895179B2 (en) 2018-01-12 2021-01-19 Schaeffler Technologies AG & Co. KG Trigger wheel arrangement for concentrically arranged camshafts

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218935A (en) * 1992-09-03 1993-06-15 Borg-Warner Automotive Transmission & Engine Components Corporation VCT system having closed loop control employing spool valve actuated by a stepper motor
JP3262207B2 (en) * 1996-10-02 2002-03-04 株式会社デンソー Valve timing adjustment device for internal combustion engine
GB2329675A (en) 1997-09-27 1999-03-31 Mechadyne Ltd I.c. engine front cover with oil supply passages
DE19756016A1 (en) * 1997-12-17 1999-06-24 Porsche Ag Device for the hydraulic rotation angle adjustment of a shaft to a drive wheel
GB2346948A (en) * 1999-02-18 2000-08-23 Mechadyne Int Plc Variable phase mechanism
GB2369175A (en) * 2000-11-18 2002-05-22 Mechadyne Plc Variable phase coupling
GB2413168A (en) 2004-04-13 2005-10-19 Mechadyne Plc Variable phase drive mechanism
GB2415480A (en) 2004-06-25 2005-12-28 Mechadyne Plc Vane type phaser in which each vane has a seal around all three of its sliding edges
GB2432645B (en) 2005-11-28 2010-12-29 Mechadyne Plc Variable phase drive coupling
GB2444943B (en) 2006-12-19 2011-07-13 Mechadyne Plc Camshaft and phaser assembly
DE102008033230B4 (en) 2008-01-04 2010-05-27 Hydraulik-Ring Gmbh Double camshaft adjuster in layer construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102536368A (en) * 2010-12-08 2012-07-04 通用汽车环球科技运作有限责任公司 Engine assembly including camshaft with independent cam phasing
CN102536368B (en) * 2010-12-08 2014-11-26 通用汽车环球科技运作有限责任公司 Engine assembly including camshaft with independent cam phasing

Also Published As

Publication number Publication date
DE102009011627B4 (en) 2021-09-09
US20090223470A1 (en) 2009-09-10
CN101532406B (en) 2011-12-28
US7789054B2 (en) 2010-09-07
DE102009011627A1 (en) 2009-10-22

Similar Documents

Publication Publication Date Title
CN101532406B (en) Twin cam phaser for dual independent cam phasing
CN102191962B (en) Engine with dual cam phaser for concentric camshaft
US8375906B2 (en) Camshaft phaser for a concentric camshaft
CN103348100B (en) The concentricity quarter-phase device being assembled in concentric camshaft system
US9284861B2 (en) Oil passage design for a phaser or dual phaser
US8322318B2 (en) Harmonic drive camshaft phaser with phase authority stops
US8863710B2 (en) Control valve
US8336512B2 (en) Camshaft phaser for a concentric camshaft
JP2005325836A (en) Camshaft adjusting machine
CN101560895A (en) Dual-equal cam phasing with variable overlap
CN103038458A (en) Variable valve device of internal combustion engine
US20120312258A1 (en) Harmonic drive camshaft phaser using oil for lubrication
CN102439265A (en) Phaser assembly for an internal combustion engine
US10947870B2 (en) Coupling for a camshaft phaser arrangement for a concentric camshaft assembly
CN110832171B (en) Assembly with camshaft phase adjuster
KR101518951B1 (en) Variable valve timing camshaft
CN103038463B (en) Camshaft adjuster arrangement and camshaft adjuster
US10954828B2 (en) Variable camshaft phaser with magnetic locking cover bushing
US10895177B2 (en) Timing wheel for a camshaft phaser arrangement for a concentric camshaft assembly
US10400638B2 (en) Camshaft phaser arrangement for a concentrically arranged camshaft assembly
US10590811B1 (en) Coupler for a camshaft phaser arrangement for a concentric camshaft assembly
US9074498B2 (en) Camshaft phaser
CN104350243A (en) Camshaft adjuster arrangement
CN112648039A (en) Camshaft phasing system
CN101634235A (en) Split lobe design of concentric camshaft

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant